Oenothera macrocarpa
aka O. missouriensis
Ozark Sundrops
3-7
Central United States

Perennial of dry calcareous barrens and prairies.
 
Flowers with huge petals followed by conspicuously winged fruits.
 
Silvery green leaves
 
 
 
Oenothera is Greek for wine tasting. Folklore claims the roots of some species were used as relishes with after dinner wines.

 

 
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